EFFECT OF NEURAMINIDASE ANTIBODY ON HONG KONG INFLUENZA
Identifieur interne : 000205 ( 1968/Analysis ); précédent : 000204; suivant : 000206EFFECT OF NEURAMINIDASE ANTIBODY ON HONG KONG INFLUENZA
Auteurs : Arnolds. Monto [États-Unis] ; Alanp. Kendal [États-Unis]Source :
- The Lancet [ 0140-6736 ] ; 1973.
English descriptors
- Teeft :
- Antibody, Antibody levels, Antineuraminidase antibody, Chemical test, Clinical expression, Clinical illness, Epidemic influenza, Hong kong, Hong kong influenza, Hong kong variant, Hsemagglutinin antibodies, Illness frequency, Infection, Influenza, Influenza infection, Influenza infections, Influenza virus, Major shifts, National institutes, Neuraminidase, Neuraminidase antibodies, Neuraminidase antibody, Neuraminidase antigens, Outbreak, Present report, Public health, Respiratory illness, Serum samples, Tecumseh, Tecumseh area.
Abstract
Abstract: The relation between antineuraminidase antibody (A.N.) and natural influenza infection in 1968 was investigated in the community of Tecumseh, Michigan. The outbreak was caused by Hong Kong influenza virus, which contained a new hæmagglutinin antigen (H3), while the neuraminidase antigen (N2) was more closely related to that of Asian viruses circulating since 1957. In the study group of two hundred and seventy-four randomly selected adults (aged 20-45), titres of N2 neuraminidase antibody were detected in a hundred and fifteen (42%) serum samples collected before the outbreak. Influenza infection during the course of the outbreak was identified serologically. The frequency of infection decreased significantly at increasing levels of pre-existing A.N. antibody. In those subjects who were not protected from infection, A.N. antibody significantly suppressed the clinical expression of infection. It is concluded that antibody against the neuraminidase of the influenza virus prevented or modified infection in a situation in which hæmagglutinin antibody had no effect.
Url:
DOI: 10.1016/S0140-6736(73)92196-X
Affiliations:
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Monto</name><affiliation wicri:level="1"><country xml:lang="fr" wicri:curation="lc">États-Unis</country><wicri:regionArea>Department of Epidemiology, School of Public Health, University of Michigan, Ann Arbor, Michigan 48104</wicri:regionArea><wicri:noRegion>Michigan 48104</wicri:noRegion></affiliation></author><author><name sortKey="Kendal, Alanp" sort="Kendal, Alanp" uniqKey="Kendal A" first="Alanp." last="Kendal">Alanp. 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The outbreak was caused by Hong Kong influenza virus, which contained a new hæmagglutinin antigen (H3), while the neuraminidase antigen (N2) was more closely related to that of Asian viruses circulating since 1957. In the study group of two hundred and seventy-four randomly selected adults (aged 20-45), titres of N2 neuraminidase antibody were detected in a hundred and fifteen (42%) serum samples collected before the outbreak. Influenza infection during the course of the outbreak was identified serologically. The frequency of infection decreased significantly at increasing levels of pre-existing A.N. antibody. In those subjects who were not protected from infection, A.N. antibody significantly suppressed the clinical expression of infection. It is concluded that antibody against the neuraminidase of the influenza virus prevented or modified infection in a situation in which hæmagglutinin antibody had no effect.</div></front></TEI><affiliations><list><country><li>États-Unis</li></country></list><tree><country name="États-Unis"><noRegion><name sortKey="Monto, Arnolds" sort="Monto, Arnolds" uniqKey="Monto A" first="Arnolds." last="Monto">Arnolds. Monto</name></noRegion><name sortKey="Kendal, Alanp" sort="Kendal, Alanp" uniqKey="Kendal A" first="Alanp." last="Kendal">Alanp. Kendal</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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